3-Chloro-2-ethynylthiophene

3-氯-2-乙炔基噻吩

3-Chloro-2-ethynylthiophene (CAS 1690768-55-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3ClS and a molecular weight of 142.61 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1690768-55-8
Jingsj CID: J-685861-4
Molecular Formula: C₆H₃ClS
Chinese Name: 3-氯-2-乙炔基噻吩
Molecular Weight: 142.61 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 3-Chloro-2-ethynylthiophene?

The CAS number of 3-Chloro-2-ethynylthiophene is 1690768-55-8.

What are the molecular formula and molecular weight of 3-Chloro-2-ethynylthiophene?

3-Chloro-2-ethynylthiophene has molecular formula C6H3ClS and molecular weight 142.61 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Chloro-2-ethynylthiophene (CAS 1690768-55-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-685861-4 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.